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Valmet to add biomass co-firing to IPP plant

Valmet to add biomass co-firing to IPP plant
Commissioned in 2017, Babelan Power Plant consists of two coal-fired 140 MW circulating fluidized bed (CFB) units one of which has since been modified for biomass co-firing (photo courtesy PT. Cikarang Listrindo Tbk).

Finland-headed forest industry and energy technology provider Valmet Oyj has announced that it has been selected to add biomass co-firing technology to a coal-fired circulating fluidized bed (CFB) boiler for PT. Cikarang Listrindo in Indonesia.

Located in Bekasi Regency, Indonesia, PT. Cikarang Listrindo Tbk is the longest-operating Independent Power Producer (IPP) in Indonesia having started its initial operation in 1993 and is currently serving more than 2,600 industrial customers in five industrial estates in Cikarang.

The company is today one of the largest-capacity electricity companies in Indonesia.

Valmet will supply a partial bioconversion for PT. Cikarang Listrindo Tbk’s coal-fired circulating fluidized bed (CFB) boiler in Babelan, Indonesia.

The investment the value of which has not been disclosed, reflects Cikarang Listrindo’s initiative for greener energy production and environmentally friendlier operation by reducing reliance on fossil fuels and cutting carbon dioxide (CO2) emissions.

This new step will allow up to 25 percent of the company’s total coal consumption to be replaced by biofuel and is in line with the company’s commitment to reduce greenhouse gas emissions by 20 percent by 2030, supporting Indonesia’s government’s commitment to the energy sector, said Sami Sivola, Head of the Environmental Sustainability Team, PT. Cikarang Listrindo.

Builds on existing Valmet deliveries

The rebuild of the coal-fired boiler Unit 2 is part of Cikarang Listrindo’s development program to increase the use of more sustainable fuels in combustion.

PT. Cikarang Listrindo is also utilizing renewable fuels in its steam generation process by rebuilding the existing CFB boiler in Unit 2.

Since the rebuild, up to 30 percent of the energy produced with coal in this boiler can be replaced by woodchips and other suitable biofuels.

Valmet’s delivery scope includes the engineering, supply, and construction of a new biomass fuel feeding system and the addition of a flue gas recirculation system for the CFB boiler Unit 2.

The furnace bottom will also be modified to improve coarse material removal from the fluidized bed. The modification works are scheduled for the first quarter of 2025.

The Valmet-delivered CFB boilers started to operate in 2017 at the Babelan Power Plant. In 2021, Valmet delivered a biomass feeding system for one of the CFB boilers to support green energy production at the Babelan Power Plant. Due to positive experiences of using palm kernel shells and then woodchips as a renewable fuel, PT. Cikarang Listrindo has now decided to install a biofuel handling system for the other CFB boiler unit in Babelan Power Plant, said Jouni Koskinen, Senior Manager, Sales and Technology, Pulp and Energy, Valmet.

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